102121222102 has 8 divisors (see below), whose sum is σ = 153360577656. Its totient is φ = 51001029552.

The previous prime is 102121222069. The next prime is 102121222103. The reversal of 102121222102 is 201222121201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121222103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29788608 + ... + 29792035.

It is an arithmetic number, because the mean of its divisors is an integer number (19170072207).

Almost surely, 2^102121222102 is an apocalyptic number.

102121222102 is a deficient number, since it is larger than the sum of its proper divisors (51239355554).

102121222102 is an equidigital number, since it uses as much as digits as its factorization.

102121222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59581502.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102121222102 its reverse (201222121201), we get a palindrome (303343343303).

The spelling of 102121222102 in words is "one hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred two".